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Perform the popular nylon rope trick with this fun and easy demonstration. Students are first introduced to polymer chemistry and the many applications of nylon. Engage students in a discussion of different types of polymers in the fields of chemistry and the biological sciences. Based on prior knowledge, students make a prediction of what they think will happen during the demonstration. Then, combine 2 colorless solutions to create a strand of polymer that seems to have no end. Students use words and pictures to explain on a molecular level what happened in the polymerization reaction, and big-picture questions encourage critical thinking about the underlying scientific concepts. This demonstration requires approximately 15 min, and materials in the kit are sufficient for it to be performed 5 times.
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